glass, and ends up on the floor inside the room.  Which of the following statements are true?                                                                         The force of the rock on the glass was bigger than the force of the glass on the rock. The force of the rock on the glass had the same magnitude as the force of the glass on the rock. force of the rock on the glass was less than the force of the glass on the rock. The rock didn’t slow down as it broke the glass.

Q: A 841.2 kg car initially moving at 17.39 m/s starts to slow down and comes to a complete stop in…

A: Just replace the values and its done

Q: An 80 kg person is standing on a scale in an elevator. Find the weight that the scale reads when the…

A: The answers are below

Q: A jet plane is speeding down the runway during takeoff. The jet has not left the ground and air…

A: A jet plane is speeding down the runway during takeoff. The jet has not left the ground and air…

Q: A freight train has a mass of 1.1 x 10' kg. If the locomotive can exert a constant pull of 7.0 x 105…

A:

Q: As an example, we will apply this procedure to find the acceleration of a block of mass m₂ that is…

A:

Q: A freight train has a mass of 1.4 ✕ 107 kg. If the locomotive can exert a constant pull of 7.7 ✕ 105…

A: To find the acceleration: Let's use Newton's force formula in terms of mass and acceleration…

Q: A car of mass 822 kg is traveling 26.4 m/s when the driver applies the brakes, which lock the…

A: Data provided :  Mass of car (m) = 822 kg Initial velocity of car (Vi) = 26.4 m/s Final velocity of…

Q: girl pushes a cart to the right with a force of 100 N while a boy pushes the cart to the left with a…

A:

Q: In an emergency stop to avoid an accident, a shoulder-strap seatbelt holds a 58 passenger in place.…

A: The speed of the car in m/s is The change in velocity here is

Q: A force of 50 N acts to the right on a box and a force of 20 N acts to the left on the box. The net…

A: 50 N force acts to the right on a box 20 N force acts to the left on a box

Q: A car of mass 972 kg is traveling 22.9 m/s when the driver applies the brakes, which lock the…

A: (a) Use the kinematic equation to solve for the acceleration of the car when it comes to the rest…

Q: While driving down the road, a firefly strikes the windshield of a bus and makes a quite obvious…

A: Each force is the same size. For every action, there is an equal ... (equal!). The fact that the…

Q: A certain force gives an object of mass m1 an acceleration of 14.0 m/s² and an object of mass m2 an…

A:

Q: A train locomotive pulls a train with a mass of 1.40 x 107 kg on level rails. The locomotive exerts…

A: Given data:  Mass (m) = 1.40×107 kg Force (F) = 6.50×105 N Initial velocity (u) = 0 m/s Final…

Q: A freight train has a mass of 1.2 ✕ 107 kg. If the locomotive can exert a constant pull of 7.9 ✕ 105…

A: The expression for acceleration of the train will be, a=Fma=7.9×105N1.2×107kga=6.6×10-2m/s

Q: A man weighs a fish with a spring scale attached to the ceiling of an elevator. While the elevator…

A:

Q: Blocks with masses of 3.0 kg, 4.0 kg, and 5.0 kg are lined up in a row on a frictionless table. All…

A:

Q: A car of mass 922 kg is traveling 22.4 m/s when the driver applies the brakes, which lock the…

A: Mass of the car is m = 922 kg Initial speed is u = 22.4 m/s Final speed is v = 0 m/s Time taken to…

Q: Superman must stop a 120-km/h train in 200 m to keep it from hitting a stalled car on the tracks. If…

A: Given: Train speed = 120 km/h or 33.33 m/s Distance in which superman has to stop the train = 200 m…

Q: You look up the car on Kelly’s Blue Book and find the mass to be 1200 kg.   You go and push the car.…

A: Coefficient of static friction between dry concrete and rubber = 1 Coefficient of kinetic friction…

Q: Suppose two children push horizontally, but in exactly opposite directions, on a third child in a…

A: The expression for the Newton’s second law of motion in horizontal direction is,

Q: A beach ball is thrown straight up, and some time later it lands on the sand. Is the magnitude of…

A: PREPARE: Gravitational force is always acts downwards. Air drag force is acts opposite to the…

Q: forces act on an object.

A:

Q: Is the magnitude of the net force on the ball greater when it is going up or when it is on the way…

A: In this case the net force on the ball is greater when it is going up. This can be explained in the…

Q: Two teams are playing tug-of-war, each team has five members. The applied forces on the rope are as…

A: Given in question : Forces by teams are -…

Q: A passenger sitting in the rear of a bus claims that she was injured as the driver slammed on the…

A: Given statement : A passenger sitting in the rear of bus is injured as a suitcase come flying…

Q: A 47.4 kg woman stands on a bathroom scale while riding an elevator. Determine the reading on the…

A:

Q: In the figure, blocks A and B have weights of 47 N and 22 N, respectively. (a) Determine the minimum…

A:

Q: donkey is urged to pull a wagon. The donkey refuses, citing Newton's third law as a defence: the…

A: The donkey's pull force is equal and opposite to the exerted force on the donkey by the wagon. But…

Q: Thinking of a sled on a very icy, flat road, so slick that there is no friction, we will imagine…

A: Given: A sled is moving from left to right on a very icy, flat road, so slick that there is no…

Q: object of mass m sits on a flat table. The Earth pulls on this object with force mg, which we will…

A:

Q: The person shown below is pushing on a refrigerator that sits on a level floor. Assume the section…

A:

Q: car of mass 772 kg is traveling 20.4 m/s when the driver applies the brakes, which lock the wheels.…

A:

Q: Zara sits on an office chair with wheels on it. Meeral exerts a force of 330 N [right 25° down] onto…

A: Given Data Applied force on the chair is F=330 N Direction of the force is right 25° down…

Q: Two monkeys, Ham and Joey, hre hanging from ropes and being pulled upward from the ground by a small…

A: Given :  Acceleration, a = 2.9 m/s2  Mass of Joey = 8 kg Mass of Ham = 10 kg To Find : a) Draw free…

Q: True or false? You exert a push P on an object and it pushes back on you with a force F. If the…

A: When we push an object with Force P and object pushes back with Force F if object moves with…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!